// Copyright JS Foundation and other contributors, http://js.foundation
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

var a = 'abcd';
var b = 'dfgh';

c = a + b;

assert(c == a + b);
assert(c === a + b);
assert(c != a);
assert(c != b);
assert(c !== a);
assert(c !== b);
assert(c != b + a);
assert(c !== b + a);
